//
//  MyLabel.m
//  xpkc
//
//  Created by Mac mini 2014 on 14/12/18.
//  Copyright (c) 2014年 wanmeizty. All rights reserved.
//

#import "MyLabel.h"

@implementation MyLabel

@synthesize verticalAlignment = verticalAlignment_;

- (id)initWithFrame:(CGRect)frame {
	if (self = [super initWithFrame:frame]) {
		self.verticalAlignment = VerticalAlignmentMiddle;
	}
	return self;
}

- (void)setVerticalAlignment:(VerticalAlignment)verticalAlignment {
	verticalAlignment_ = verticalAlignment;
	[self setNeedsDisplay];
}

- (CGRect)textRectForBounds:(CGRect)bounds limitedToNumberOfLines:(NSInteger)numberOfLines {
	CGRect textRect = [super textRectForBounds:bounds limitedToNumberOfLines:numberOfLines];
	switch (self.verticalAlignment) {
		case VerticalAlignmentTop:
			textRect.origin.y = bounds.origin.y;
			break;
		case VerticalAlignmentBottom:
			textRect.origin.y = bounds.origin.y + bounds.size.height - textRect.size.height;
			break;
		case VerticalAlignmentMiddle:
			// Fall through.
		default:
			textRect.origin.y = bounds.origin.y + (bounds.size.height - textRect.size.height) / 2.0;
	}
	return textRect;
}

-(void)drawTextInRect:(CGRect)requestedRect {
	CGRect actualRect = [self textRectForBounds:requestedRect limitedToNumberOfLines:self.numberOfLines];
	[super drawTextInRect:actualRect];
}

@end
